* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ul{
    list-style: none;
}
.header{
    background: #cccccc;
    text-align: center;
}
.header h1{
    padding-top: 80px;
    font-weight: 200;
}
.header p{
    font-size: 14px;
    margin-top:2px;
    padding-bottom: 80px;
}
.nav-heder{
    width: 1200px;
    margin:0 auto;
}
.nav-heder .foot{
    text-align: center;
    margin-bottom: 20px;
}
.nav-heder  h2{
    margin-top: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}
.nav-heder .foot input{
    width:200px;
    height: 30px;
    border-radius: inherit;
}
.nav-heder .foot #n{
    width:200px;
    height: 30px;
    border-radius: inherit;
}
.nav-heder  .foot #btn{
    width:200px;
    height: 30px;
    border-radius: inherit;
    color: #fff;
    background: blue;
    border:none;
}
.nav-heder ul{
    text-align: center;
}
.nav-heder .p-1{
    text-align: center;
}
.nav-heder #list li span{
    padding:0 100px;
}
.nav-heder .p-1 span{

    padding:0 100px;
}